Avelon (river)

Avelon
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Data
Water code	FR :  H2130600
location	France , Hauts-de-France region
River system	His
Drain over	Thérain  → Oise  → Seine  → English Channel
source	on the municipal boundary of Villembray and Senantes 49 ° 29 ′ 2 ″  N , 1 ° 51 ′ 16 ″  E
Source height	approx.  130  m
muzzle	in the urban area of Beauvais in the Thérain coordinates: 49 ° 25 ′ 37 ″  N , 2 ° 4 ′ 31 ″  E 49 ° 25 ′ 37 ″  N , 2 ° 4 ′ 31 ″  E
Mouth height	approx.  65  m
Height difference	approx. 65 m
Bottom slope	approx. 2.8 ‰
length	23 km
Catchment area	172 km²
Medium-sized cities	Beauvais

The Avelon is a river in France that runs in the Oise department in the Hauts-de-France region . It rises in the Pays de Bray landscape , on the municipal boundary of Villembray and Senantes , generally drains in a south-easterly direction and, after 23 kilometers, flows into the Thérain as a right tributary in the urban area of Beauvais .

The right tributaries of the Avelon are the Ruisseau de Raques (4.5 km) in the commune of Blacourt , Ruisseau du Moulinet in the commune of Saint-Paul and Ru d'Auneuil in the commune of Rainvillers ; the left tributaries are the Ru d'Evaux (6 , 2 km) in the municipality of Lachapelle-aux-Pots and the Ru de Boyauval in Saint-Paul .

Places on the river

• Villembray
• Avelon , Blacourt parish
• Lachapelle-aux-Pots
• Le Becquet , parish of Saint-Paul
• Aux marais
• Goincourt
• Beauvais

Individual evidence

1. ↑ Source geoportail.fr (1: 32,000)
2. ↑ mouth geoportail.fr (1: 32,000)
3. ↑ ^{a b c} The information on the length of the river is based on the information on the Avelon from SANDRE (French), accessed on March 4, 2012, rounded to full kilometers.